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Find similar answersMathematics, added 2021-11-26 20:32:25

Find a1 and d for an arithmetic sequence with these terms. a3=-8 and a7=32 ...

Mathematics, added 2021-11-26 19:21:16

Find a1 and d for an arithmetic sequence with these terms. a3=-8 and a7=32 ...

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sqdancefanThe formula I like to use is A = 2(LW + H(L+W)) For your dimensions, this is A = 2((5 cm)(5 cm) + (12 cm)(5 cm + 5 cm)) A = 2(25 cm² + 120 cm²) A = 290 cm² The surface area of your right rectangular prism is 290 cm².